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Princess|Lab Grown|IGI

2.51ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG534241719

Shape and cutting style on the report: Princess cut

Certificate IGI LG534241719

Diamond specifications and retailer prices

From £1,449 GBP
As of November 4, 2026
Save £5,950 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,399 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534241719 or 534241719. Listed at 13 retailers as of November 4, 2026, with prices from £1,449 to £7,399, a £5,950 spread on the same certified stone. MOH London lists it at £7,399. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534241719
Dimensions7.51 × 7.34 × 4.99 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.51 mm7.34 mm2.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534241719
Side View
Table 71.5%Crown 44.8°Girdle: ThickPavilion 36.7°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £7,399 GBP|Low: £1,449 GBP|High: £7,519 GBP|Avg: £4,222 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5£1,449 GBP
Retailer 7£2,986 GBP
Retailer 3£3,129 GBP
Retailer 8£3,464 GBP
Retailer 11£3,464 GBP
Retailer 10£4,328 GBP
Retailer 4£4,504 GBP
Retailer 6£4,594 GBP
Retailer 2£4,652 GBP
Retailer 9£5,364 GBP
MOH London£7,399 GBP

46 data points across 11 retailers

13 retailers£1,449 GBP to £7,399 GBP

B+
Cheapest Retailer
-
£1,449 GBP
B
Retailer 2
-
£2,986 GBP
View
B
Retailer 3
-
£3,129 GBP
View
B
Retailer 4
-
£3,344 GBP
View
Final sale: no returns
B
Retailer 5
-
£3,464 GBP
View
Retailer 6
-
£3,464 GBP
View
Price last confirmed 25 days ago
B
Retailer 7
-
£3,503 GBP
View
B
Retailer 8
-
£4,328 GBP
View
B
Retailer 9
-
£4,504 GBP
View
B
Retailer 10
-
£4,594 GBP
View
B
Retailer 11
-
£4,652 GBP
View
B
Retailer 12
-
£5,364 GBP
View
Most Expensive
B
MOH London
LG534241719 · Nov 5
£7,399 GBP
View
12 more retailers have this diamond
Prices start from £1,449 GBPSave up to £5,950 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.51ct Princess
£1,449 GBP